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authorLennart Poettering <lennart@poettering.net>2018-11-23 19:47:41 +0100
committerLennart Poettering <lennart@poettering.net>2018-12-18 14:47:44 +0100
commit59f13dd6f801b2df4faea277a5de0115ed598e35 (patch)
tree8acbe9514d02c8b554c4bc67991e9893d99dd64b /docs
parentremount-fs: split code for tracking PIDs in hashmap (diff)
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remount-fs: optionally remount / writable, if we are told through an env var
Diffstat (limited to 'docs')
-rw-r--r--docs/ENVIRONMENT.md8
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md
index 038f3d2d1..619a57eb3 100644
--- a/docs/ENVIRONMENT.md
+++ b/docs/ENVIRONMENT.md
@@ -165,3 +165,11 @@ systemd itself:
* `$SYSTEMD_ACTIVATION_SCOPE` — closely related to `$SYSTEMD_ACTIVATION_UNIT`,
it is either set to `system` or `user` depending on whether the NSS/PAM
module is called by systemd in `--system` or `--user` mode.
+
+systemd-remount-fs:
+
+* `$SYSTEMD_REMOUNT_ROOT_RW=1` — if set and and no entry for the root directory
+ exists in /etc/fstab (this file always takes precedence), then the root
+ directory is remounted writable. This is primarily used by
+ systemd-gpt-auto-generator to ensure the root partition is mounted writable
+ in accordance to the GPT partition flags.